//
// RawSocket.h
//
// Library: Net
// Package: Sockets
// Module:  RawSocket
//
// Definition of the RawSocket class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Net_RawSocket_INCLUDED
#define Net_RawSocket_INCLUDED


#include "Poco/Net/Net.h"
#include "Poco/Net/Socket.h"


namespace Poco
{
namespace Net
{


    class Net_API RawSocket : public Socket
    /// This class provides an interface to a
    /// raw IP socket.
    {
    public:
        RawSocket();
        /// Creates an unconnected IPv4 raw socket.

        RawSocket(SocketAddress::Family family, int proto = IPPROTO_RAW);
        /// Creates an unconnected raw socket.
        ///
        /// The socket will be created for the
        /// given address family.

        RawSocket(const SocketAddress & address, bool reuseAddress = false);
        /// Creates a raw socket and binds it
        /// to the given address.
        ///
        /// Depending on the address family, the socket
        /// will be either an IPv4 or an IPv6 socket.

        RawSocket(const Socket & socket);
        /// Creates the RawSocket with the SocketImpl
        /// from another socket. The SocketImpl must be
        /// a RawSocketImpl, otherwise an InvalidArgumentException
        /// will be thrown.

        ~RawSocket();
        /// Destroys the RawSocket.

        RawSocket & operator=(const Socket & socket);
        /// Assignment operator.
        ///
        /// Releases the socket's SocketImpl and
        /// attaches the SocketImpl from the other socket and
        /// increments the reference count of the SocketImpl.

        void connect(const SocketAddress & address);
        /// Restricts incoming and outgoing
        /// packets to the specified address.
        ///
        /// Calls to connect() cannot come before calls to bind().

        void bind(const SocketAddress & address, bool reuseAddress = false);
        /// Bind a local address to the socket.
        ///
        /// This is usually only done when establishing a server
        /// socket.
        ///
        /// If reuseAddress is true, sets the SO_REUSEADDR
        /// socket option.
        ///
        /// Calls to connect() cannot come before calls to bind().

        void bind(const SocketAddress & address, bool reuseAddress, bool reusePort);
        /// Bind a local address to the socket.
        ///
        /// This is usually only done when establishing a server
        /// socket.
        ///
        /// If reuseAddress is true, sets the SO_REUSEADDR
        /// socket option.
        ///
        /// If reusePort is true, sets the SO_REUSEPORT
        /// socket option.
        ///
        /// Calls to connect() cannot come before calls to bind().

        int sendBytes(const void * buffer, int length, int flags = 0);
        /// Sends the contents of the given buffer through
        /// the socket.
        ///
        /// Returns the number of bytes sent, which may be
        /// less than the number of bytes specified.

        int receiveBytes(void * buffer, int length, int flags = 0);
        /// Receives data from the socket and stores it
        /// in buffer. Up to length bytes are received.
        ///
        /// Returns the number of bytes received.

        int sendTo(const void * buffer, int length, const SocketAddress & address, int flags = 0);
        /// Sends the contents of the given buffer through
        /// the socket to the given address.
        ///
        /// Returns the number of bytes sent, which may be
        /// less than the number of bytes specified.

        int receiveFrom(void * buffer, int length, SocketAddress & address, int flags = 0);
        /// Receives data from the socket and stores it
        /// in buffer. Up to length bytes are received.
        /// Stores the address of the sender in address.
        ///
        /// Returns the number of bytes received.

        void setBroadcast(bool flag);
        /// Sets the value of the SO_BROADCAST socket option.
        ///
        /// Setting this flag allows sending datagrams to
        /// the broadcast address.

        bool getBroadcast() const;
        /// Returns the value of the SO_BROADCAST socket option.

    protected:
        RawSocket(SocketImpl * pImpl);
        /// Creates the Socket and attaches the given SocketImpl.
        /// The socket takes ownership of the SocketImpl.
        ///
        /// The SocketImpl must be a StreamSocketImpl, otherwise
        /// an InvalidArgumentException will be thrown.
    };


    //
    // inlines
    //
    inline void RawSocket::setBroadcast(bool flag)
    {
        impl()->setBroadcast(flag);
    }


    inline bool RawSocket::getBroadcast() const
    {
        return impl()->getBroadcast();
    }


}
} // namespace Poco::Net


#endif // Net_RawSocket_INCLUDED
